////    默认下拉框 
//      option: 'city' 城市三级联动

function City(params){
    this.params = params;
    this.sel();
    switch(params.option){
        case 'city':
            this.city();
            break;
        default:
            break;
    }
};

// 下拉
City.prototype.sel = function(){
    var that = this;
    this.select_ele = $('.select');
    this.option_ele = $('.option');
    this.optionLi_ele = $('.select .option ul li');
    // 更新变量
    this.updata = function () {
        this.select_ele = $('.select');
        this.option_ele = $('.option');
        this.optionLi_ele = $('.select .option ul li');
    }
    // 下拉框
    this.select = function () {
        this.select_ele.click(function (e) {
            e.stopPropagation();
            //that.option_ele.stop().slideUp(200);
            //$(this).find(".option").stop().slideDown(200);
        })
        this.optionLi_ele.click(function (e) {
            e.stopPropagation();
            var _this = $(this);
            var inp_val = $(this).text();
            _this.parents('.select').find('input').val(inp_val);
            _this.parents('.option').stop().slideUp(200);

        })
        $(document).click(function () {
            that.option_ele.stop().slideUp(200);
        })
    };
    this.select();
};
City.prototype.city = function(){
    // city
    var _this = this;
    this.city_data = {},
    this.sheng_arr = [],
    this.shi_arr = [],
    this.getJSON = function(){
        $.getJSON("/javascript/city.json",function(data){
            _this.city_data = data;
            _this.deal_data(data);
        })
    }
    this.getJSON();
};
// 处理返回数据
City.prototype.deal_data = function(data){
    for(var code in data){
        var sheng = code.substring(2);
        var shi = code.substring(4);
        if(sheng == '0000'){
            var sheng_obj = {
                'code': code,
                'value': data[code]
            }
            this.sheng_arr.push(sheng_obj);
        }else if(shi == '00'){
            var shi_obj = {
                'code': code,
                'value': data[code]
            }
            this.shi_arr.push(shi_obj);
        }
    }
    this.deal_sheng();
};
// 省
City.prototype.deal_sheng = function(){
    var sheng_box =  $(this.params.ele).find('.sheng ul');
    var _this = this;
    sheng_box.find('li').remove();
    for(var i=0; i<this.sheng_arr.length; i++){
        var sheng_name = this.sheng_arr[i].value;
        var sheng_code = this.sheng_arr[i].code;
        var sheng_str = '<li data-code='+ sheng_code +'>'+ sheng_name +'</li>';
        sheng_box.append(sheng_str);
    }
    this.updata();
    this.select();
    sheng_box.find('li').click(function(){
        var check_city = {
            code: $(this).attr('data-code'),
            name: $(this).text()
        }
        _this.deal_shi(check_city);
    })
};
// 市
City.prototype.deal_shi = function(check_city){
    var shi_box = $(this.params.ele).find('.shi');
    var _this = this;
    shi_box.find('ul li').remove();
    var reg = /市$/;
    if(reg.test(check_city.name)){
        var shi_value = check_city.name.substring(0,check_city.name.length - 1);
        var shi_code = check_city.code.substring(0,2)+'0100';
        var shi_str = '<li data-code='+ shi_code +'>'+ shi_value +'</li>';
            shi_box.find('ul').append(shi_str);
            shi_box.find('input').val(shi_value);
            this.deal_qu(shi_code);
    }else{
        var tmp_arr = [];
        var find_code = check_city.code.substring(0,2);
        for(var j=0; j<this.shi_arr.length; j++){
            if(this.shi_arr[j].code.substring(0,2) == find_code){
                tmp_arr.push(this.shi_arr[j]);
                var shi_str = '<li data-code='+ this.shi_arr[j].code +'>'+ this.shi_arr[j].value +'</li>';
                shi_box.find('ul').append(shi_str);
            }
        }
        
        shi_box.find('input').val(tmp_arr[0].value);
        this.deal_qu(tmp_arr[0].code);
    }
    this.updata();
    this.select();
    shi_box.find('ul li').click(function(){
        _this.deal_qu($(this).attr('data-code'));
    })
};
// 区
City.prototype.deal_qu = function(code){
    var qu_box = $(this.params.ele).find('.qu');
    qu_box.find('ul li').remove();
    var find_code1 = code.substring(0,4);
    var tmp_arr = [];
    for(var shi in this.city_data){
        var shi_1 = shi.substring(0,4);
        var shi_2 = shi.substring(shi.length - 2,shi.length);
        if(shi_1 == find_code1 && shi_2 != '00'){
            var shi_data = {
                code: shi,
                name: this.city_data[shi]
            }
            tmp_arr.push(shi_data);
        }
    }
    qu_box.find('input').val(tmp_arr[0].name);
    for(var i=0; i<tmp_arr.length; i++){
        var qu_str = '<li data-code='+ tmp_arr[i].code +'>'+ tmp_arr[i].name +'</li>';
        qu_box.find('ul').append(qu_str);
    }
    this.updata();
    this.select();
};



new City({
    option: 'city',
    ele: '.tai_city'
});

new City({
    option: 'city',
    ele: '.open_city'
});

new City({
    option: 'city',
    ele: '.address_city'
});

new City({
    option: 'city',
    ele: '.enroll_city'
});